4 Toner Cartridge Compatible Samsung CLT-K508L CLT-C508L CLT-M508L CLT-Y508L (K508L C508L M508L Y508L) CMYK was professionally re-engineered in a manufacturing facility that uses state of the art processes to insure that this Cartridge will print as well as the original. It will be ideal for professional images, photo prints, and quality output.